Graphs on the next slides use three variables from the mtcars data frame: mpg, hp, and cyl. Below are their values for the first 5 observations.
mtcars %>%
select(c(mpg,hp,cyl)) %>%
head(5)
## mpg hp cyl ## Mazda RX4 21.0 110 6 ## Mazda RX4 Wag 21.0 110 6 ## Datsun 710 22.8 93 4 ## Hornet 4 Drive 21.4 110 6 ## Hornet Sportabout 18.7 175 8